From: Alan Jenkins <alan-jenkins@xxxxxxxxxxxxxx>
Disabling CONFIG_ACPI_SYSFS_POWER changes the behaviour of
acpi_battery_update(). It will call acpi_battery_get_info()
even if the battery is not present. I haven't noticed this
causing any problem, but it does look like a bad idea.
Signed-off-by: Alan Jenkins <alan-jenkins@xxxxxxxxxxxxxx>
Acked-by: Alexey Starikovskiy <astarikovskiy@xxxxxxx>
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>
---
drivers/acpi/battery.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 75f39f2..52df994 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -567,13 +567,13 @@ static int acpi_battery_update(struct acpi_battery *battery)
result = acpi_battery_get_status(battery);
if (result)
return result;
-#ifdef CONFIG_ACPI_SYSFS_POWER
if (!acpi_battery_present(battery)) {
+#ifdef CONFIG_ACPI_SYSFS_POWER
sysfs_remove_battery(battery);
+#endif
battery->update_time = 0;
return 0;
}
-#endif
if (!battery->update_time ||
old_present != acpi_battery_present(battery)) {
result = acpi_battery_get_info(battery);
--
1.6.0.6
--
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